WCSA Inc. is a Texas corporation that provides construction excavation, maintenance, demolition, vacuum truck services, Continuous Emission Monitoring Systems, and environmental system design to industrial plants and municipal operations. Excavation construction services include demolition, building or repairing pads, ponds, ditches, roads and project management. Vacuum Truck services (wet or dry) include spills, ponds, tanks, silos, vaults, and sand filters. Environmental System Design services engage in planning and designing computer systems that integrate computer hardware, software and communication technologies for compliance and non-compliance emission monitoring systems. WCSA Inc. rate sheet will be provided upon request.